29115025 has 12 divisors (see below), whose sum is σ = 36716400. Its totient is φ = 22896080.

The previous prime is 29115001. The next prime is 29115059. The reversal of 29115025 is 52051192.

It is not a de Polignac number, because 29115025 - 2²¹ = 27017873 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8395 + ... + 11344.

It is an arithmetic number, because the mean of its divisors is an integer number (3059700).

Almost surely, 2^29115025 is an apocalyptic number.

29115025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29115025 is a deficient number, since it is larger than the sum of its proper divisors (7601375).

29115025 is a wasteful number, since it uses less digits than its factorization.

29115025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19808 (or 19803 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 29115025 is about 5395.8340411840. The cubic root of 29115025 is about 307.6373458320.

The spelling of 29115025 in words is "twenty-nine million, one hundred fifteen thousand, twenty-five".